Kelia is solving an equation for 2. Her second step is to multiply both sides of the equation by 4. Which equation is she solving? (1 point)
6 + z/4 = 1
4 + z/6 = 1
6 + 4x = 1
4 + 6x = 1
6 + z/4 = 1
4 + z/6 = 1
6 + 4x = 1
4 + 6x = 1